September 23, 2014Time to watch:09:53
Dave Irvine-Halliday
Rolex Laureate, 2002
Electrical engineer Dave Irvine-Halliday realised that a single 0.1 watt, white-light emitting diode supplies enough light for a child to read b
Read the articleRolex Laureate, 2002
Electrical engineer Dave Irvine-Halliday realised that a single 0.1 watt, white-light emitting diode supplies enough light for a child to read b
Read the article